My Oracle Support Banner

SQL Nodes Fails to Automatically Reconnecting to Data Nodes; Read-Only Mode (Doc ID 1968263.1)

Last updated on AUGUST 09, 2018

Applies to:

MySQL Cluster - Version 7.1 and later
Information in this document applies to any platform.


After the MySQL nodes have lost connection to the data nodes, they fail to automatically reconnect. Examples of cases of the disconnect are (but not limited to):

This means the NDBCluster tables are in read only mode or not available at all.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process and therefore has not been subject to an independent technical review.
My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.